在网络优化中，功率调整的步长一般宜采用“慢升快降”的原则。
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What is Tracy going to do this weekend?
A. She is going to the beach.
B. She is going to work.
C. She is going to wantch movie with her sister.
D. She is gonging to do nothing.
the woman doesn't want to go to the beach with the man.
A. 对
B. 错
A single counter offer is rarely the last word in a business sale.
A. T
B. F
You have not the option to counter with yet another offer.
A. T
B. F
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